[pmwiki-users] Checking is a $$var is set

DaveG pmwiki at solidgone.com
Mon Feb 2 21:07:16 CST 2009

Is there a way to determine whether a variable passed into from an 
included page has a value? Something like
   (:include mygroup.mypage val=myval :)

and then inside mygroup.mypage:
   (:if VAL_IS_SET $$val:)

What seems to happen is that is $$val is not set, the actual string 
"$$val" remains.

  ~ ~ Dave

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